Sun Microsystems Sun Fire E25K Service Manual page 180

6. Reinstall fan tray F3.
See Section 4.2.4, "Installing a Fan Tray" on page
7. Install the Sun Fireplane interconnect assembly, if not previously installed.
See Section 13.5, "Installing the Sun Fireplane Interconnect into the Chassis" on
page
Caution – Ensure the Sun Fireplane interconnect assembly is installed prior to
securing the four (4) grounding screws.
8. Secure the power centerplane into position with the four (4) M4x10 panhead
grounding screws to the power centerplane.
9. Install all system expander and the centerplane support board sets by following
the procedures in:
Section 12.2.4, "Installing an Expander Board" on page 12-7
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Section 11.2.4, "Installing a Centerplane Support Board" on page 11-6
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From the rear of the system:
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1. Install the seven (7) cross-slotted standoff nuts onto the male threads of the cross-
slotted shoulder standoff screws.
2. Connect the eighteen (18) voltage-and-return AC power cables to the power
centerplane.
See Section 16.2.2, "48 VDC Power Cable Replacement" on page
3. Connect the P1.9 six-wire friction-fit 48V power connector at the power
centerplane to J1.9 on the cable tie-down panel.
4. Connect the five (5) ribbon cable connectors to the power centerplane.
5. Install the DC cable cover and secure with nine (9) M4x8 Phillips screws.
6. Reinstall fan tray F7.
See Section 4.2.4, "Installing a Fan Tray" on page
7. Install all system expander and the centerplane support board sets by following
the procedures in:
Section 12.2.4, "Installing an Expander Board" on page 12-7
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Section 11.2.4, "Installing a Centerplane Support Board" on page 11-6
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15-8 Sun Fire E25K/E20K Systems Service Manual • April 2004
13-8.
4-5.
16-10.
4-5.